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Wed, 30 Sep 2026 10:12:31 -0700 (PDT) From: Archit Anant To: jic23@kernel.org Cc: dlechner@baylibre.com, andy@kernel.org, nuno.sa@analog.com, u.kleine-koenig@baylibre.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Archit Anant Subject: [PATCH v5 03/10] iio: adc: ti-ads1015: return -ENODATA when match data is missing Date: Wed, 30 Sep 2026 22:41:57 +0530 Message-Id: <20260930171204.12863-4-architanant5@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260930171204.12863-1-architanant5@gmail.com> References: <20260930171204.12863-1-architanant5@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit When i2c_get_match_data() returns NULL, it indicates that driver match data is absent rather than an invalid argument being provided. Return -ENODATA instead of -EINVAL to more accurately reflect the failure. Signed-off-by: Archit Anant --- drivers/iio/adc/ti-ads1015.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c index ef03b74bda3e..9479f110448d 100644 --- a/drivers/iio/adc/ti-ads1015.c +++ b/drivers/iio/adc/ti-ads1015.c @@ -951,7 +951,7 @@ static int ads1015_probe(struct i2c_client *client) chip = i2c_get_match_data(client); if (!chip) - return dev_err_probe(&client->dev, -EINVAL, "Unknown chip\n"); + return dev_err_probe(&client->dev, -ENODATA, "Unknown chip\n"); indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); if (!indio_dev) -- 2.39.5